- Supports signal acquisition of up to 16 phase sets
- Supports up to 16 LEDs, 4 PDs
- Flexible allocation of LEDs, PDs in each phase
- Simultaneous signal acquisition from different sensors at different data rates
- Accurate, continuous PPG monitoring:
- Low current for continuous heart-rate monitoring on a wearable device with a typical value: 15 µA for an LED, 15 µA for the receiver
- Peak system SNR of 115 dB
- Transmitter:
- 8-Bit Programmable LED current with range adjustable from 25 mA to 250 mA
- Mode to fire two LEDs in parallel with independent per-phase current control
- Programmable LED on-time per-phase
- Simultaneous support of 16 LEDs for SpO2, Multi-Wavelength HRM, and Spectroscopy
- Receiver:
- Supports 4 Time-Multiplexed PD Inputs
- 2 parallel receivers (4 sets of TIA/filter)
- Individual ambient offset subtraction DAC at each TIA Input with 8-bit per-phase control and range adjustable up to 255-µA
- Individual LED offset subtraction DAC at each TIA input with 9-bit per-phase control and 64-µA range
- Digital ambient subtraction at ADC output
- Noise filtering with programmable bandwidth
- Transimpedance gain: 3.7 kΩ to 1 MΩ
- Supports external clock or internal oscillator
- Option to acquire data synchronized with a system clock
- Automatic cancellation of DC from Ambient, LED
- FIFO with 256-sample depth
- SPI™ interface/ I2C interface
- 2.6-mm × 2.6-mm DSBGA, 0.4-mm Pitch
- Supplies: Rx:1.7 - 1.9 V (LDO Bypass); 1.9 - 3.6 V (LDO Enabled), Tx: 3-5.5 V, IO: 1.7-RX_SUP
- Supports signal acquisition of up to 16 phase sets
- Supports up to 16 LEDs, 4 PDs
- Flexible allocation of LEDs, PDs in each phase
- Simultaneous signal acquisition from different sensors at different data rates
- Accurate, continuous PPG monitoring:
- Low current for continuous heart-rate monitoring on a wearable device with a typical value: 15 µA for an LED, 15 µA for the receiver
- Peak system SNR of 115 dB
- Transmitter:
- 8-Bit Programmable LED current with range adjustable from 25 mA to 250 mA
- Mode to fire two LEDs in parallel with independent per-phase current control
- Programmable LED on-time per-phase
- Simultaneous support of 16 LEDs for SpO2, Multi-Wavelength HRM, and Spectroscopy
- Receiver:
- Supports 4 Time-Multiplexed PD Inputs
- 2 parallel receivers (4 sets of TIA/filter)
- Individual ambient offset subtraction DAC at each TIA Input with 8-bit per-phase control and range adjustable up to 255-µA
- Individual LED offset subtraction DAC at each TIA input with 9-bit per-phase control and 64-µA range
- Digital ambient subtraction at ADC output
- Noise filtering with programmable bandwidth
- Transimpedance gain: 3.7 kΩ to 1 MΩ
- Supports external clock or internal oscillator
- Option to acquire data synchronized with a system clock
- Automatic cancellation of DC from Ambient, LED
- FIFO with 256-sample depth
- SPI™ interface/ I2C interface
- 2.6-mm × 2.6-mm DSBGA, 0.4-mm Pitch
- Supplies: Rx:1.7 - 1.9 V (LDO Bypass); 1.9 - 3.6 V (LDO Enabled), Tx: 3-5.5 V, IO: 1.7-RX_SUP
0
ACTIVE
